The Swiss made Minimax Evolution features a handcrafted Italian calf leather band. The watch has an exhibition case-back powered by an ETA-2824-2 automatic movement and is water resistant up to 10 ATM. Movement Manufacturer: ETA SA Manufacture Horlogère Suisse Model: 2824-2 Jewels: 25 Features: Hours, minutes, sweep seconds and date with quick setting. Frequency: 28'800 vibrations per hour (4 Hz). Running Time: 42 Hours. Case Material: Coated Stainless Steel 316L. Water Resistance: 100 M / 10 ATM / 300Ft. Caseback: Exhibition Screw-down. Crystals: Sapphire w/ Interior Anti-reflective coat. Dial: Milled Indexes. Crown: S/S 316L Double OR Joint. Diameter: 42.0 mm Lug Width: 22.0 mm Lug to Lug: 49.50 mm Case Thickness: 11.85 mm Leather Band Tang Buckle Material: Stainless Steel 316L. Band: Italian Made Crazy Horse Calf Leather Band size: 21 cm.